1. Ultraschallmessungen bei Rindern und Schweinen;Bech-Andersen;Fleischwirtschaft,1970
2. Avkomsbedømmelsens metodikk;Berge,1946
3. Recent trends and developments in genetics and animal breeding in Europe;Berge,1960
4. Dissemination of genetic improvement trhough a livestock industry;Bichard;Anim. Prod.,1971
5. Selection in a population with overlapping generations;Bichard;Anim. Prod.,1973